IUPAC Definitions
The ratio of the average mass of the atom to the unified atomic mass unit.
What is the relative atomic mass?
Amount of one gas in a mixture divided by the total amount of gas in the mixture.
What is mole fraction?
A solution of a know concentration
What is a standard solution
A compund that conducts electricity when molten or dissolved in water.
What is an ionic compound?
Cations and anions are arranged in a repeating, three-dimensional pattern, held together by strong electrostatic forces of attraction between oppositely charged ions; giant lattice structure with strong electrostatic forces of attraction.
What are crystal lattice structure?
The mass of 1 mole of a substance.
What is molar mass?
The volume occupied by 2 moles CO2 at STP.
What is 44.8L
amount concentration, given by amount of substance divided by the volume of the solution
What is molarity
The specific temperature at which a liquid changes state to become a gas.
What is boiling point?
A radioactive metal discovered by Marie and Pierre Curie and used by Ernest Rutherford to propose a new model of atomic structure.
What is radium?
6.022 x 1023 (Must use first and last name)
What is Amedeo Avagadro's number?
Equal volumes of gases at the same temperature and pressure contain an equal number of molecules.
What is Avagadros Law?
The unit for concentration.
What is Molarity (mol/L)?
The amount of energy needed to change 1 gram of water by 1 degree Celcius.
What is one calorie (4.18J)?
One mole of substance contains the same number of elementary entities as there are atoms in 12g of this solid element.
What is carbon 12
One of the SI base units for "the amount of substance."
What is the mole?
273K, 1atm
What is STP?
A measure of the concentration of a solute in a solution.
What is Molality (moles of solute/kg)
IMF most responsible for high boiling points in molecular compounds.
What is Hydrogen bonding?
The SI unit of mass.
What is the kilogram (kg)?
Smallest particle still characterizing a chemical element.
What is an atom?
the pressure exerted by a specific gas within a mixture of gases
what is partial pressure
A mixture of one substance dispersed throughout another substance, where the dispersed substance consists of large, insoluble particles.
What is a Colloid?
The mass of a liquid divided by its volume.
What is density?
A chemical compound composed of two or more nonmetal atoms that are held together by covalent bonds.
What is a molecular compound?